<template>
	<div>
		<quill-editor
		  class="editor"
		  ref="myTextEditor"
		  v-model="content"
		  :options="editorOption"
		  @change="onEditorChange"
		></quill-editor>
		
		<el-upload
		          class="avatar-uploader"
		          :action="serverUrl"
		          name="img"
		          :headers="header"
		          :show-file-list="false"
		          list-type="picture"
		          :multiple="false"
		          :on-success="uploadSuccess"
		          :on-error="uploadError"
		          :before-upload="beforeUpload">
							<Button icon="ios-cloud-upload-outline" ></Button>
		        </el-upload>
	</div>
  
  
</template>

<script>
const toolbar = [
  ["bold", "italic", "underline", "strike"], // 加粗 斜体 下划线 删除线
  ["blockquote", "code-block"], // 引用  代码块
  [{ header: 1 }, { header: 2 }], // 1、2 级标题
  [{ list: "ordered" }, { list: "bullet" }], // 有序、无序列表
  //   [{ script: "sub" }, { script: "super" }], // 上标/下标
  //   [{ indent: "-1" }, { indent: "+1" }], // 缩进
  // [{'direction': 'rtl'}],                         // 文本方向
  [{ size: ["small", false, "large", "huge"] }], // 字体大小
  [{ header: [1, 2, 3, 4, 5, 6, false] }], // 标题
  [{ color: [] }, { background: [] }], // 字体颜色、字体背景颜色
  [{ font: [] }], // 字体种类
  [{ align: [] }], // 对齐方式
  ["clean"], // 清除文本格式
  ["link", "image", "video"] // 链接、图片、视频
]; //工具菜单栏配置
import {
		Api_url
	} from '../api/config.js';
export default {
	props: {
	      /*编辑器的内容*/
	     contents: '',
		content_back:Function,
	    },
		created() {},
  data() {
    return {
      content: this.contents, //内容
	  quillUpdateImg: false, // 根据图片上传状态来确定是否显示loading动画，刚开始是false,不显示
	  serverUrl:Api_url+"/cms/image/edit_img",
      editorOption: {
        modules: {
          toolbar:{
			  container: toolbar,  // 工具栏
			   handlers: {
			    'image': ((value) => {
			        if (value) {
			             document.querySelector('.avatar-uploader input').click()
			        } else {
			            this.quill.format('image', false);
			                }
			            })
			             }
		
		  }
        },
        placeholder: "", //提示
        readyOnly: false, //是否只读
        theme: "snow", //主题 snow/bubble
        syntax: true, //语法检测
	
      },
	  header: {
	            token: localStorage.getItem('token')
	          }
    };
	},
	  watch: {
	        contents: function (val) {

	            this.content = this.contents
	        }
			},
  methods: {
    // 值发生变化
    onEditorChange(editor) {
      this.content = editor.html;
	  this.content_back(this.content)
    },
	 uploadSuccess(res, file) {
	        // res为图片服务器返回的数据
	        // 获取富文本组件实例
			let quill = this.$refs.myTextEditor.quill
 	        // 如果上传成功
	        if (res.code == 200) {
	          // 获取光标所在位置
	          let length = quill.getSelection().index;
	          // 插入图片  res.url为服务器返回的图片地址
	          quill.insertEmbed(length, "image", Api_url+res.data.url);
	          // 调整光标到最后
	          quill.setSelection(length + 1);
	        } else {
	          this.$message.error("图片插入失败");
	        }
	        // loading动画消失
	        this.quillUpdateImg = false; 
	      },
		   beforeUpload() {
		          // 显示loading动画
		          this.quillUpdateImg = true;
		        },
	      // 富文本图片上传失败
	uploadError() {
	        // loading动画消失
	        this.quillUpdateImg = false;
	        this.$message.error("图片插入失败");
	      }
  }
};
</script>

<style>
.editor {
  line-height: normal !important;
  height: 300px;
  margin-bottom: 30px;
}
.ql-snow .ql-tooltip[data-mode="link"]::before {
  content: "请输入链接地址:";
}
.ql-snow .ql-tooltip.ql-editing a.ql-action::after {
  border-right: 0px;
  content: "保存";
  padding-right: 0px;
}

.ql-snow .ql-tooltip[data-mode="video"]::before {
  content: "请输入视频地址:";
}

.ql-snow .ql-picker.ql-size .ql-picker-label::before,
.ql-snow .ql-picker.ql-size .ql-picker-item::before {
  content: "14px";
}
.ql-snow .ql-picker.ql-size .ql-picker-label[data-value="small"]::before,
.ql-snow .ql-picker.ql-size .ql-picker-item[data-value="small"]::before {
  content: "10px";
}

.ql-snow .ql-picker.ql-size .ql-picker-label[data-value="large"]::before,
.ql-snow .ql-picker.ql-size .ql-picker-item[data-value="large"]::before {
  content: "18px";
}
.ql-snow .ql-picker.ql-size .ql-picker-label[data-value="huge"]::before,
.ql-snow .ql-picker.ql-size .ql-picker-item[data-value="huge"]::before {
  content: "32px";
}

.ql-snow .ql-picker.ql-header .ql-picker-label::before,
.ql-snow .ql-picker.ql-header .ql-picker-item::before {
  content: "文本";
}
.ql-snow .ql-picker.ql-header .ql-picker-label[data-value="1"]::before,
.ql-snow .ql-picker.ql-header .ql-picker-item[data-value="1"]::before {
  content: "标题1";
}
.ql-snow .ql-picker.ql-header .ql-picker-label[data-value="2"]::before,
.ql-snow .ql-picker.ql-header .ql-picker-item[data-value="2"]::before {
  content: "标题2";
}
.ql-snow .ql-picker.ql-header .ql-picker-label[data-value="3"]::before,
.ql-snow .ql-picker.ql-header .ql-picker-item[data-value="3"]::before {
  content: "标题3";
}
.ql-snow .ql-picker.ql-header .ql-picker-label[data-value="4"]::before,
.ql-snow .ql-picker.ql-header .ql-picker-item[data-value="4"]::before {
  content: "标题4";
}
.ql-snow .ql-picker.ql-header .ql-picker-label[data-value="5"]::before,
.ql-snow .ql-picker.ql-header .ql-picker-item[data-value="5"]::before {
  content: "标题5";
}
.ql-snow .ql-picker.ql-header .ql-picker-label[data-value="6"]::before,
.ql-snow .ql-picker.ql-header .ql-picker-item[data-value="6"]::before {
  content: "标题6";
}

.ql-snow .ql-picker.ql-font .ql-picker-label::before,
.ql-snow .ql-picker.ql-font .ql-picker-item::before {
  content: "标准字体";
}
.ql-snow .ql-picker.ql-font .ql-picker-label[data-value="serif"]::before,
.ql-snow .ql-picker.ql-font .ql-picker-item[data-value="serif"]::before {
  content: "衬线字体";
}
.ql-snow .ql-picker.ql-font .ql-picker-label[data-value="monospace"]::before,
.ql-snow .ql-picker.ql-font .ql-picker-item[data-value="monospace"]::before {
  content: "等宽字体";
}
</style>